Construction method for putting tunnel shield into hole in special stratum
The invention relates to a construction method for putting a tunnel shield into a hole in a special stratum, which is characterized by comprising the following steps: before putting the tunnel shield into the hole, approaching the tunnel shield to a tunnel portal gradually; injecting a bi-liquid gro...
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Main Authors | , , , |
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Format | Patent |
Language | Chinese English |
Published |
03.03.2010
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Subjects | |
Online Access | Get full text |
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